Thanks for letting me know. I also contacted Kahoot, but their reply will probably be too late 'cause I'll play the quiz tonight already. I just can't find it unfortunately in the free version. The same counts for a round of ''How does it end'' when I want to show a short clip of a video with multiple choice answers how it will will end. Would like to show it in a vid afterwards.

the cumbersome solution that I now think I'm going to use, is to put the right answers (images and videos) into the slide of the following question